package com.heima.model.common.dtos;

import com.alibaba.fastjson.JSON;
import com.heima.model.common.enums.AppHttpCodeEnum;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 通用的结果返回类
 * @param <T>
 */
public class ResponseResult<T> implements Serializable {

    private String host;

    private Integer code;

    private String errorMessage;

    private T data;

    public ResponseResult() {
        this.code = 200;
    }

    public ResponseResult(Integer code, T data) {
        this.code = code;
        this.data = data;
    }

    public ResponseResult(Integer code, String msg, T data) {
        this.code = code;
        this.errorMessage = msg;
        this.data = data;
    }

    public ResponseResult(Integer code, String msg) {
        this.code = code;
        this.errorMessage = msg;
    }

    public static ResponseResult errorResult(int code, String msg) {
        ResponseResult result = new ResponseResult();
        return result.error(code, msg);
    }

    public static ResponseResult okResult(int code, String msg) {
        ResponseResult result = new ResponseResult();
        return result.ok(code, null, msg);
    }

    public static ResponseResult okResult(Object data) {
        ResponseResult result = setAppHttpCodeEnum(AppHttpCodeEnum.SUCCESS, AppHttpCodeEnum.SUCCESS.getErrorMessage());
        if(data!=null) {
            result.setData(data);
        }
        return result;
    }

    public static ResponseResult errorResult(AppHttpCodeEnum enums){
        return setAppHttpCodeEnum(enums,enums.getErrorMessage());
    }

    public static ResponseResult errorResult(AppHttpCodeEnum enums, String errorMessage){
        return setAppHttpCodeEnum(enums,errorMessage);
    }

    public static ResponseResult setAppHttpCodeEnum(AppHttpCodeEnum enums){
        return okResult(enums.getCode(),enums.getErrorMessage());
    }

    private static ResponseResult setAppHttpCodeEnum(AppHttpCodeEnum enums, String errorMessage){
        return okResult(enums.getCode(),errorMessage);
    }

    public ResponseResult<?> error(Integer code, String msg) {
        this.code = code;
        this.errorMessage = msg;
        return this;
    }

    public ResponseResult<?> ok(Integer code, T data) {
        this.code = code;
        this.data = data;
        return this;
    }

    public ResponseResult<?> ok(Integer code, T data, String msg) {
        this.code = code;
        this.data = data;
        this.errorMessage = msg;
        return this;
    }

    public ResponseResult<?> ok(T data) {
        this.data = data;
        return this;
    }

    public Integer getCode() {
        return code;
    }

    public void setCode(Integer code) {
        this.code = code;
    }

    public String getErrorMessage() {
        return errorMessage;
    }

    public void setErrorMessage(String errorMessage) {
        this.errorMessage = errorMessage;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    public String getHost() {
        return host;
    }

    public void setHost(String host) {
        this.host = host;
    }


    @Override
    public String toString() {
        return "ResponseResult{" +
                "host='" + host + '\'' +
                ", code=" + code +
                ", errorMessage='" + errorMessage + '\'' +
                ", data=" + data +
                '}';
    }

    public static void main(String[] args) {
        //1.成功返回
        ResponseResult responseResult = ResponseResult.okResult(null);
        System.out.println(responseResult);
        //2.成功返回，添加数据
        Map map = new HashMap();
        map.put("name","zhangsan");
        map.put("age","18");
        ResponseResult responseResult1 = ResponseResult.okResult(map);
        System.out.println(responseResult1);
        //3.失败返回
        ResponseResult responseResult2 = ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        System.out.println(responseResult2);
        //ResponseResult.errorResult(AppHttpCodeEnum.SERVER_ERROR.getCode(),AppHttpCodeEnum.SERVER_ERROR.getErrorMessage())
        ResponseResult responseResult3 = ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID, "登录失败");
        System.out.println(responseResult3);

        //4.返回分页数据
        PageResponseResult result = new PageResponseResult(1, 10, 1000);
        ArrayList<String> strings = new ArrayList<>();
        strings.add("张三");
        result.setData(strings);

        System.out.println(result);
    }

}
